diff --git a/package.json b/package.json
index 85c44bf..c5da689 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "xe-utils": "^3.5.26"
   },
   "devDependencies": {
+    "@types/crypto-js": "^4.2.2",
     "@vue/cli-plugin-babel": "~4.5.19",
     "@vue/cli-plugin-eslint": "~4.5.19",
     "@vue/cli-plugin-router": "~4.5.19",